内码转换，字符串处理以及格式化

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s3c2440a触摸屏驱动，完整驱动可直接调用也可用于参照学习-s3c2440a touch screen-driven, integrity-driven direct call can also be used to refer to learning

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LED数码管显示电子钟（C语言） 用C语言编写的 LED数码管显示电子钟-A clock using C language for LED。

Visual C++的学习实例，可直接运行，初学者可了解Visual C++的MFC运行过程和MFC的结构等。包括COM、CWND、CFrameWnd、CView/CDocument结构-Visual C learning examples can be run directly, beginners can understand the MFC Visual C operating processes and the structure of MFC. Including COM, CWND, CFrameWnd, CView/CDocument structure etc.

关于计算机安全的textbook，chm格式-On computer security textbook, chm format

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一个歌曲数据的程序，对写驱动有帮助-a song data procedures to help write drivers

1时间函数举例4,一个猜数游戏，判断一个人反应快慢。 2有两个磁盘文件A和B,各存放一行字母，要求把这两个文件中的信息合并（按字母顺序排列）输出到一个新文件C中。-A function of time, for example 4, a guess the number of games, judge a person reaction speed. 2 There are two disk files A and B, the storage of his letters, these two documents requested information in the merger (in alphabetical order) output to a new file in C.

多功能计算软件程序清单 功能要求：具备整型数据、浮点型数据的算术（加、减、乘、除）运算功能。 依次输入运算符（+，-，*，/）、第一个运算数、第二个运算数，然后输出结果， 当用户输入 Q 则退出系统，否则允许用户连续进行运算。-Multi-function calculation software program list functional requirements: with integer data, floating-point data arithmetic (add, subtract, multiply, divide) operator function. Followed by enter operator (+,-,*,/), the first operand, the second operand, and then output the result, when the user enters " Q" then exit the system, or allows the user to continuous operation.